📺 K-Drama Guide · Drama · Romance
Itaewon Class
이태원 클라쓰 · 2020
✅ Completed · 16 eps
🎬 Netflix · Viki · Viu · WeTV
⭐ 9.0 MDL
📺 15+
⚡ Updated · Jun 24, 2026
📋 Drama Overview
Quick facts first, before the deep dive.
Completed
🔥 Revenge Drama Pick
Itaewon Class
이태원 클라쓰 (Itaewon Keullasseu) · 2020 · South Korea
Netflix
Viki
Viu
WeTV
Revenge
Entrepreneurship
Webtoon Adaptation
Underdog Story
Social Justice
Itaewon Class opens with a specific kind of damage — the kind where someone else’s carelessness destroys an entire family and then uses money to make the record disappear. Park Sae-ro-yi loses his father to a hit-and-run caused by the chairman’s son. He loses his school. He loses years to juvenile detention. He doesn’t lose himself.
What he builds in the aftermath is DanBam: a bar-restaurant in Itaewon staffed by people the conventional job market would decline to hire. The business is real. The motivation beneath it is a seventeen-year grudge aimed at Jangga Group, the conglomerate that decided Park Sae-ro-yi was an acceptable casualty. Jo Yi-seo arrives midway through his plan and complicates everything — she’s smarter than the plan, and she knows it.
Episode Progress
16 / 16 ✅ Completed
⚡ Quick Verdict
Everything that matters, at a glance.
⭐ Worth it?Yes — if you’re willing to sit with a protagonist who never compromises, even when you want him to.
⏱️ CommitmentHigh — ~17 hours total
🔥 VibeRevenge · Ambition · Slow Burn
📺 Skip if…You need your lead to be warm. Sae-ro-yi is many things, but warm is not one of them.
9.0 / 10
MDL Score · Check MyDramaList for updated community rating
🎭 Cast & Characters
Park Seo-jun and Kim Da-mi anchor an ensemble built around characters the system doesn’t make room for.
Park Seo-jun
Park Sae-ro-yi
Lead
Kwon Na-ra
Oh Soo-ah
Supporting
You Chea-myung
Jang Dae-hee
Villain
Ahn Bo-hyun
Jang Geun-won
Villain
Kim Dong-hee
Jang Geun-soo
Supporting
Lee Joo-young
Ma Hyun-yi
Supporting
Ryu Kyung-soo
Choi Seung-gwon
Supporting
Chris Lyon
Kim Tony
Supporting
Kim Hye-eun
Kang Min-jung
Supporting
David Lee
Lee Ho-jin
Supporting
Yoon Kyung-ho
Oh Byeong-heon
Supporting
🍿 Where to Watch
Stream Itaewon Class on these platforms.
📺 Episode Guide
Enough per episode to jog your memory, nothing more.
EP 01
The Cost of an Apology
Jan 31, 2020
Sae-ro-yi’s father is killed in a hit-and-run by Jang Geun-won — and when Jang Dae-hee arrives at school the next day expecting a quiet resolution, Sae-ro-yi attacks him instead. The choice costs him his education, his freedom, and his future inside Jangga’s world. He makes it anyway. The episode establishes the precise cost of principle before the drama asks you to root for it.
EP 02
What Gets Built in a Cell
Feb 1, 2020
Inside juvenile detention, Jang Dae-hee sends an emissary with a deal: apologize, withdraw, disappear. Sae-ro-yi refuses. Prison gives him something Jangga didn’t anticipate — time to plan without distraction. The episode is slow by design. It needs to be.
EP 03
Infrastructure
Feb 7, 2020
Seven years pass. Sae-ro-yi works construction, studies business law, and returns to Itaewon to scout his location. He moves like someone who has already decided the destination and is simply walking the distance. The patience on display here is the drama’s most important character trait — and the one most people underestimate.
EP 04
DanBam Opens
Feb 8, 2020
Park Sae-ro-yi opens his bar on a commercial street that belongs to Jangga’s empire. The staff he hires would get declined at any Jangga franchise — Kim Tony, Ma Hyun-yi, Choi Seung-gwon. The episode is about the shape of the team before it becomes anything else. Each hiring decision tells you something about what Sae-ro-yi thinks matters.
EP 05
The Strategist Arrives
Feb 14, 2020
Jo Yi-seo walks into DanBam with a plan Sae-ro-yi didn’t ask for and a certainty about her own value that the drama immediately validates. Her first act as manager triples their social media reach in a week. The episode works because Yi-seo’s arrival doesn’t simplify Sae-ro-yi’s situation — it complicates it in interesting ways. Kim Da-mi doesn’t play her as likeable. She plays her as correct.
EP 06
The First Real Resistance
Feb 15, 2020
DanBam’s visibility triggers Jangga’s attention for the first time. Sae-ro-yi receives the first of many calls asking him to walk away and gives the same answer each time. Yi-seo escalates their digital presence anyway, which forces Jangga to escalate in return. The game has officially started — and the episode asks whether Sae-ro-yi can afford both his principles and his survival.
EP 07
What You Don’t Explain
Feb 21, 2020
Ma Hyun-yi is outed as trans by a food reviewer connected to Jangga, and the pressure on Sae-ro-yi to cut her is immediate. He doesn’t, and the drama doesn’t build a speech around the decision — he’s barely asked twice. Oh Soo-ah reappears here with the full weight of her divided loyalties starting to show. The episode’s best character work is in the silences.
EP 08
The Full Picture
Feb 22, 2020
Jang Dae-hee stops treating Sae-ro-yi as a nuisance and starts treating him as a threat. Jangga’s tactics escalate from commercial pressure to reputational destruction — surfacing the prison record publicly, trying to make his ethics look like disguised anger. Park Seo-jun does not raise his voice once. The intensity is entirely in the jaw.
EP 09
Traction
Feb 28, 2020
DanBam starts winning — not loudly, but measurably. Customer retention climbs. The team’s loyalty deepens. Sae-ro-yi looks at Yi-seo in a way that suggests he’s aware of what he’s been looking at. The episode earns its optimism because it took eight hours to get here.
EP 10
Legal Territory
Feb 29, 2020
Jangga mounts a formal legal challenge to DanBam’s operating license. Yi-seo’s counter-response is surgical — she files motions that force Jangga to spend resources defending their own record. The episode reframes the entire fight: this was never just about a bar. It’s about whether doing business honestly can survive inside a system that rewards the opposite.
EP 11
The Defector Considers
Mar 6, 2020
Oh Soo-ah reaches the point in her Jangga career where loyalty stops being a shield and starts being a cage. The episode doesn’t force her hand yet, but it makes the cost of staying visible. Her scenes here are the drama’s quietest and most honest: someone calculating what they’ve paid for a version of safety they don’t quite believe in anymore.
EP 12
Pressure Test
Mar 7, 2020
Jangga’s most effective gambit yet: a buyout offer to DanBam’s staff framed as rescue. Most decline. One doesn’t. Sae-ro-yi’s response to the betrayal is the episode’s moral center — he doesn’t retaliate, and the restraint lands harder than retaliation would have. The show understands that the way someone handles being let down tells you more about their character than the wins do.
EP 13
The Acquisition Play
Mar 13, 2020
Jangga moves to acquire the building where DanBam operates, which would end things legally and quietly. Sae-ro-yi and Yi-seo’s counter-strategy requires a level of financial risk that makes the romance subplot feel small — which is exactly right for this episode. The most purely tactical hour of the drama, and the one where Yi-seo’s intelligence stops being a personality trait and becomes a weapon.
EP 14
Chosen Sides
Mar 14, 2020
Everything personal clarifies here. Oh Soo-ah chooses a direction. Jang Geun-soo — Dae-hee’s younger, more principled son — makes a choice that costs him his inheritance. Yi-seo tells Sae-ro-yi she loves him. He listens. The episode has the feeling of a drama where everyone has finally run out of room to delay what they actually want.
EP 15
Jang Dae-hee’s Miscalculation
Mar 20, 2020
Jang Dae-hee’s final escalation reveals his fundamental misread of Sae-ro-yi: he still believes this is about money, or market share, or wounded pride. You Chea-myung plays this miscalculation with a stillness that makes it more frightening than anger would — a man who has never had to update his model of the world. The finale is set.
EP 16
What Winning Actually Looks Like · Finale
Mar 21, 2020
Park Sae-ro-yi wins. Not in the way revenge usually works — loudly, suddenly, against a deadline. Jangga’s corruption becomes public through accumulation rather than confrontation. DanBam is real and stable. Oh Soo-ah walks toward something of her own. Yi-seo stays. What Sae-ro-yi’s expression carries in the final minutes isn’t triumph. He kept a promise to his father. That’s all it needed to be.
🏁 Ending Explained
Full spoilers from this point — what happened, and why.
⚠️
Spoiler Warning — This section covers the full finale of Itaewon Class. Stop here if you haven’t finished the series.
The Shape of Victory. The finale makes a choice most revenge dramas avoid: Sae-ro-yi wins, but the win looks nothing like what he imagined at seventeen. Jang Dae-hee doesn’t collapse in a single confrontation — he’s cornered by the accumulated weight of evidence, defections, and market movements that Sae-ro-yi and Yi-seo spent years building. The satisfaction runs deeper because of it. Revenge, when it finally arrives, is procedural rather than dramatic. That’s the point.
Jang Dae-hee’s Real Undoing. Dae-hee’s fundamental miscalculation was believing that everyone operates by the same logic he does — hierarchy, threat, transaction. He never understood that Sae-ro-yi’s refusal to compromise wasn’t a negotiating position; it was the structural foundation the entire plan was built on. You can’t dismantle someone whose greatest asset is that they mean exactly what they say.
Oh Soo-ah’s Reckoning. Oh Soo-ah’s final arc is the drama’s most honest. She chose Jangga’s ladder over Sae-ro-yi when they were young, and the show doesn’t ask the audience to frame this as simple betrayal — it was a girl making a reasonable bet in an unreasonable world. The finale doesn’t give her a second chance with Sae-ro-yi. It gives her something more valuable: clarity about what she actually wants, and the freedom to pursue it without apology.
Jo Yi-seo’s Victory. Yi-seo gets less fanfare in the finale than she deserves, and the show earns that restraint. She didn’t save DanBam — she built the infrastructure that made DanBam’s survival possible when Sae-ro-yi’s principles became a liability. Her ending as his equal partner carries more weight than a romantic gesture would have, because it reflects what she actually contributed.
What Remains. The revenge is complete and it looks nothing like revenge. Jangga is exposed. DanBam is real. The father is still dead — and Sae-ro-yi knows that, and the show doesn’t ask him to pretend otherwise. What the finale offers is not erasure but accountability: the people responsible paid, and the people who were collateral to their decisions were allowed to build something after. That’s enough.
✍️ KDramaWorlds Editor’s Take
Straight talk on whether this one’s worth watching, and for who.
🔥 Revenge-Driven
💼 Entrepreneur Story
❤️ Slow Burn
✊ Underdog vs. Empire
📱 Webtoon Energy
Park Seo-jun has played effective leads before — the screwball charm of What’s Wrong with Secretary Kim, the physical intensity of The Divine Fury — but Itaewon Class is the first project that asks him to sustain a character whose entire power comes from withholding. Sae-ro-yi does not perform emotion. He absorbs it. What Park Seo-jun does that makes this work is specific: during confrontations, he holds eye contact without aggression, without softness, simply immovable — a face that has already decided the conversation is over before it starts. For another drama that operates on a similarly patient, methodical kind of menace, A Killer Paradox (2024) earns comparison.
Kim Da-mi’s Jo Yi-seo is the most interesting character in the drama, and also the one most at risk of tipping into insufferability — the show writes her as smarter than everyone around her, which is a performance trap. Kim Da-mi finds a third option: making Yi-seo’s intelligence feel like something she was handed young and has never quite known what to do with emotionally. The best moments are when the calculation visibly fails to cover something real — a flash of unguarded feeling that disappears almost before it registers. If you want another drama where a character’s intelligence is simultaneously their greatest asset and their deepest isolation, Little Women (2022) operates in adjacent territory.
The mid-section sags in episodes 9–12, where Jangga’s interference starts to feel circular before the story resets its trajectory. And Oh Soo-ah — arguably the drama’s most complex figure — never quite gets the arc she deserves, held in a holding pattern until the finale needs her to move. Stick with it anyway. Itaewon Class earns its last four episodes, and the final twenty minutes deliver the kind of satisfaction that requires sixteen hours of investment to land correctly. The revenge was never about destroying him. It was about building something he couldn’t touch.
👍👍👍 BEST FOR 👍👍👍
💼 Viewers who want a revenge story with real business stakes
❤️ Fans of slow-burn romance that earns its payoff
✊ Anyone who’s needed to watch an underdog win on their own terms
⚖️ Final Verdict
What works
•Park Seo-jun’s controlled stillness as the drama’s engine
•Kim Da-mi delivering the show’s most complex character
•A revenge arc built on ethics and patience, not violence
What to know first
•Mid-section pacing dips before final escalation
•Oh Soo-ah’s arc underdeveloped relative to its potential
•16 episodes at 65 min each — budget the time
8.7 / 10
Itaewon Class succeeds at the hardest version of its premise: a protagonist who never compromises, set against a system designed to break people who won’t.
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